/* ===================================
   ZAMOK — Universal Modal Component
   Универсальный компонент модальных окон.
   Все модалки сайта используют эти стили.
   
   Использование:
   <div class="modal" id="modalName" role="dialog" aria-modal="true" aria-labelledby="modalNameTitle">
     <div class="modal__overlay" data-modal-close></div>
     <div class="modal__dialog modal__dialog--md">
       <div class="modal__header">
         <h3 class="modal__title" id="modalNameTitle">Заголовок</h3>
         <button class="modal__close" data-modal-close aria-label="Закрыть">…</button>
       </div>
       <div class="modal__body">…</div>
       <div class="modal__footer">…</div>
     </div>
   </div>

   Открытие через JS: ZamokModal.open('modalName')
   Или через атрибут: <button data-modal-open="modalName">
   =================================== */

/* ===== Base modal (full-screen fixed overlay) ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease,
                visibility 0.35s ease;
}

.modal--active {
    opacity: 1;
    visibility: visible;
}

/* ===== Dark overlay ===== */
.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    cursor: pointer;
}

/* ===== Dialog (white card) ===== */
.modal__dialog {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    max-height: calc(100vh - var(--spacing-2xl));
    overflow: hidden;

    /* Entry animation */
    transform: translateY(24px) scale(0.96);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.35s ease;
}

.modal--active .modal__dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Size variants */
.modal__dialog--sm {
    width: 100%;
    max-width: 400px;
}

.modal__dialog--md {
    width: 100%;
    max-width: 540px;
}

.modal__dialog--lg {
    width: 100%;
    max-width: 720px;
}

.modal__dialog--xl {
    width: 100%;
    max-width: 960px;
}

.modal__dialog--full {
    width: 100%;
    max-width: calc(100vw - var(--spacing-2xl));
    height: calc(100vh - var(--spacing-2xl));
}

/* ===== Header ===== */
.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: var(--spacing-md);
}

.modal__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
    line-height: 1.3;
}

.modal__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 4px 0 0;
    font-weight: var(--font-weight-normal);
}

/* Close button */
.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.modal__close svg {
    width: 20px;
    height: 20px;
}

/* ===== Body ===== */
.modal__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for modal body */
.modal__body::-webkit-scrollbar {
    width: 6px;
}

.modal__body::-webkit-scrollbar-track {
    background: transparent;
}

.modal__body::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.modal__body::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ===== Footer ===== */
.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* ===== Utility: body scroll lock ===== */
.modal-open {
    overflow: hidden;
    /* Prevent layout shift from scrollbar disappearing */
    padding-right: var(--scrollbar-width, 0px);
    /* iOS Safari: prevent background scroll */
    overscroll-behavior: none;
    -webkit-overflow-scrolling: auto;
}

/* ===== Form layout helpers inside modal ===== */
.modal__form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-md);
}

.modal__form-row:last-child {
    margin-bottom: 0;
}

.modal__form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.modal__form-hint {
    font-weight: var(--font-weight-normal);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

/* Star rating inside modal */
.modal__stars {
    display: flex;
    gap: 4px;
}

.modal__star {
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-border);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.modal__star:hover {
    transform: scale(1.15);
}

.modal__star--active {
    color: #F59E0B;
}

.modal__star svg {
    width: 100%;
    height: 100%;
}

/* Shake animation for stars when not selected */
.modal__stars--shake {
    animation: shakeStars 0.4s ease;
}

@keyframes shakeStars {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}

/* Textarea in modal */
.modal__textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* Success state inside modal body */
.modal__success {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.modal__success svg {
    flex-shrink: 0;
}

.modal__success strong {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    display: block;
}

.modal__success p {
    margin: 0;
}

/* ===== Mobile (< 768px) ===== */
@media (max-width: 768px) {
    .modal {
        padding: 0;
        align-items: flex-end;
    }

    .modal__dialog {
        max-width: 100%;
        max-height: 92vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform: translateY(100%);
        opacity: 1;
        transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                    opacity 0.3s ease;
    }

    .modal--active .modal__dialog {
        transform: translateY(0);
    }

    .modal__header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .modal__body {
        padding: var(--spacing-lg);
    }

    .modal__footer {
        padding: var(--spacing-md) var(--spacing-lg);
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    }

    /* Drag handle (visual only) */
    .modal__dialog::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--color-border);
        border-radius: 2px;
        margin: 8px auto 0;
        flex-shrink: 0;
    }
}

/* ===== Small mobile (< 480px) ===== */
@media (max-width: 480px) {
    .modal__body {
        padding: var(--spacing-md);
    }

    .modal__footer {
        flex-direction: column;
    }

    .modal__footer .btn {
        width: 100%;
        justify-content: center;
    }
}